US Patent: 341,207
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| Metal-turning lathe
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Patentee:
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| John R. Back (exact or similar names) - Worcester, Worcester County, MA |
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Patent Dates:
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| Applied: |
Dec. 14, 1885 |
| Granted: |
May 04, 1886 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for F. E. Reed & Co.
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Description: |
| Rufus B. Fowler - patent attorney
My invention relates to the feeding mechanism of a metal-turning lathe; and it consists in the addition of a driving-pulley to the "intermediate gear" usually employed in driving the "leading-screw," from which a rotary motion is given the "feed-shaft" also, in a gear and driving-pulley driven by the intermediate gear, by which a quicker motion is given to the feed-shaft, and in devices for holding the driving-pulleys, whereby a change of gears may be made-and the speed of the feed-shaft varied.
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